Product Details Vacuum Tube, 300B, JJ Electronics, Matched Pair, Power, Package of 2.0000T-300B-JJ-MPPackage of 2.0000 The JJ Electronic 300B features a rugged construction in a massive and thick glass envelope atop a white ceramic base. This triode has a full 40 Watts of power. The robust build of the JJ 300B offers high reliability in a classy package. Each tube comes with a factory certification with sets dual matched for anode current and gain. The JJ 300B has a balanced and detailed sound with a wide frequency response. Not what you’re looking for? Check out our other products in this category:Vacuum Tubes -> PowerClick here to visit our ebay store’s homepage.MeasurementsProduct Measurements:Body Height150 mmFilament Current (If)1.3 AFilament Voltage (Uf)5 VGain (μ)3.85Grid capacitance (cg1)17 pFGrid to Plate Capacitance (ca/g)7.5 pFGrid Voltage (Ug)-61 V typicalInternal Resistance (Ri)700 ΩItem Diameter63 mmItem Height165 mmPlate Capacitance (ca)11 pFPlate Current (Ia)60 mAPlate Dissipation (Wa)≤ 40 WPlate Voltage (Ua)≤ 450 V, 300 V typicalTransconductance (S)5.5 mA/VPackaging Information:Packaging Dimensions7.3 in. x 7.1 in. x 3.6 in.Weight (Packaging)0.8598 lbs.About UsAbout Amplified Parts:Backed by over 30 years of experience serving the electronic hobbyist market, Amplified Parts® provides the parts you need to modify, repair, or build your own audio and musical instrument equipment, from transistor radios to vacuum tube amplifiers, guitar pedals, and modular synthesizers. Our mission is to provide our customers with high quality products from an inventory of over 12,000 unique items, and to share our expertise via our large library of tech articles and equipment build guides.Whether you are building cutting-edge equipment or restoring classic gear with historical accuracy, Amplified Parts® has what you need.We typically ship the same day if your order is placed before 12:00pm Arizona Time Monday through Friday excluding holidays.All packages are insured and we assume responsibility for the shipment until the carrier shows delivery.Click here to visit our ebay storefront.
Item Tag: 5.5 mA/V
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Vacuum Tube, 12AT7 / ECC81, JJ Electronics, Standard Pins, Preamp
Product Details Vacuum Tube, 12AT7 / ECC81, JJ Electronics, Standard Pins, PreampT-12AT7-JJSold individually The JJ Electronic 12AT7 / ECC81 is a good choice for phase inverters, reverb drivers, and general preamp use. This tube offers low noise, low microphonics, and warm smooth tones at a great price. Like all JJ tubes, it has a rugged construction that doesn’t compromise the sound of your amp. The JJ 12AT7 is a solid replacement for any 12AT7, ECC81, or 6201 tube. It can also be used to replace 12AX7 tubes in position 1 to reduce gain. Not what you’re looking for? Check out our other products in this category:Vacuum Tubes -> PreamplifierClick here to visit our ebay store’s homepage.MeasurementsProduct Measurements:Body Height49.2 mmCathode Current (Ik)≤ 15 mAFilament Current (If)300 / 150 mAFilament Voltage (Uf)6.3 / 12.6 VGain (μ)60Grid Circuit Resistance (Rg)1 MΩGrid Voltage (Ug)≥ -50 V, -2 V typicalHeater to cathode voltage (Uk/f)≤ 90 VInternal Resistance (Ri)11 kΩItem Diameter22 mmItem Height56.3 mmPlate Current (Ia)10 mAPlate Dissipation (Wa)≤ 2.5 WPlate Voltage (Ua)≤ 300 V, 250 V typicalTransconductance (S)5.5 mA/VPackaging Information:Packaging Dimensions1 in. x 1 in. x 2.5 in.Weight (Packaging)0.03 lbs.About UsAbout Amplified Parts:Backed by over 30 years of experience serving the electronic hobbyist market, Amplified Parts® provides the parts you need to modify, repair, or build your own audio and musical instrument equipment, from transistor radios to vacuum tube amplifiers, guitar pedals, and modular synthesizers. Our mission is to provide our customers with high quality products from an inventory of over 12,000 unique items, and to share our expertise via our large library of tech articles and equipment build guides.Whether you are building cutting-edge equipment or restoring classic gear with historical accuracy, Amplified Parts® has what you need.We typically ship the same day if your order is placed before 12:00pm Arizona Time Monday through Friday excluding holidays.All packages are insured and we assume responsibility for the shipment until the carrier shows delivery.Click here to visit our ebay storefront.